I will build interactive web gis map applications in react js leaflet
About this gig
Are you looking for an interactive Web GIS app for hazard modeling, demographic analysis, or spatial data visualization?
I build responsive, high-performance Web GIS solutions using React.js, Leaflet, and Turf.jsfrom GeoJSON mapping to raster DEM processing and client-side spatial analytics.
What I Offer:
- Interactive Web Maps: Base layer toggles (OSM, Satellite), markers, clustering, popups, and tooltips.
- Spatial Drawing Tools: Polygon, radius, and freehand drawing via Leaflet-Geoman with real-time metric extraction.
- Zonal Demographics: Estimate population, density, and asset exposure inside marked areas (WorldPop API).
- Hazard & Terrain Modeling: Interactive flood sliders, elevation parsing, DEM/GeoTIFF raster rendering, and flow lines.
- Turf.js Spatial Analytics: Buffers, intersections, point-in-polygon tests, and area calculations.
- Data Formats: GeoJSON, KML, Shapefiles, WMS/WFS, and COG.
- Backend Integration: Connect to PostgreSQL/PostGIS, GeoServer, or Python APIs.
- Tech Stack: React.js, React-Leaflet, Leaflet, Turf.js, Georaster, Tailwind CSS.
Please message me before ordering to discuss your data and requirements!
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Get to know Mazin Automate
GIS Analyst
- FromPakistan
- Member sinceAug 2026
- Avg. response time1 hour
Languages
English
FAQ
Can the map perform calculations like population or flood risk without a heavy backend?
Yes. I utilize client-side spatial libraries like Turf.js along with lightweight REST endpoints (such as WorldPop or Open-Elevation APIs) to calculate metrics directly in the browser.
Will the map be responsive on mobile and tablets?
Yes. All UI elements, sidebars, and map viewports are built using responsive CSS/Tailwind layouts that adapt seamlessly to mobile, tablet, and desktop screens.